<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }
        
        ul {
            display: flex;
            width: 1400px;
            background-color: skyblue;
        }
        
        .box1 {
            justify-content: space-evenly;
        }
        
        .box2 {
            justify-content: space-around;
        }
        
        .box3 {
            justify-content: space-between;
        }
        
        li {
            width: 100px;
            height: 100px;
            background-color: red;
            list-style: none;
        }
    </style>
</head>

<body>
    <ul class="box1">
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
    </ul>
    <ul class="box2">
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
    </ul>
    <ul class="box3">
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
    </ul>
</body>

</html>